Dugway Geodes fluoresce a lime green color due to minute amounts of a secondary mineral that bonded with the quartz when it was growing. The fluorescence comes from uranium salts trapped in the Chalcedony. The level of uranium is so low though, that it is undetectable, and totally harmless.
Beautiful Amethyst Geodes from Brazil and Uruguay. Quartz Crystal Geodes from Brazil and Morocco. Citrine Geodes from Brazil. Rose Geodes from Argentina. Break-your own geodes and Agate geodes. Specializing in natural crystals and stones for 25 years, to collectors and the metaphysical community.
This is a beautiful, purple amethyst geode from the famous mines near Artigas, Uruguay. It is 8" wide, 4.1" tall, 4.8" deep and weighs about 5 lbs. It's filled with gorgeous, light purple amethyst crystals and displays well on a flat surface.
10 Break Crack Open Your Own Whole Moroccan Geodes W/Gift Box - 2" Crystal Druzy. $18.99. Free shipping
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5"-7" Natural Geode Pair WStand Large Geode Crystal Quartz Specimen Morocco $37.39 B0975 2.87 lbs Lg Cut Base Amethyst Geode Crystal Cluster Gift A Quality Uruguay
The amethyst geodes from Uruguay are mined from the same rock formation as their relatives just to the north across the border into southern Brazil and are igneous (volcanic) in origin. Uruguay amethyst, however, can usually be differentiated from its Brazilian relatives by the typically smaller crystal size and (in the case of the higher ...